J/C Meaning in Chat or Text Messages Online

J/C is an internet slang that stands for "just chilling". This slang is commonly used to express that somebody is relaxing and not doing anything in particular. It is often used during conversations with friends or peers. For instance, somebody might text "J/C, what's up?" to indicate that they are free and looking to hang out casually. Another example would be if someone said "I'm just J/C at home today" to indicate that they are taking it easy and not doing anything specific plans for the day.